To get the Art #014, this is it.
Eggmanland Act 3, Battle room after Document 8, when you go up to
the higher area, look for a swingy thingy on the wall, go up to
another one to find the item to the right.

To get Soundtrack 106:
7th Continent, Special Mission Eggmanland Go
for the Goal, Don't collect the first 280, it's on one of the sled
rides at the end of the side scroll part (I'm not sure of path)